Class: Faulty::Circuit::Options

Inherits:
Struct
  • Object
show all
Includes:
ImmutableOptions
Defined in:
lib/faulty/circuit.rb

Overview

Options for Faulty::Circuit

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ImmutableOptions

#dup_with, #initialize, #setup

Instance Attribute Details

#cache ⇒ Cache::Interface (readonly)

Cache::Null.new. Unlike Faulty#initialize, this is not wrapped in Faulty::Cache::AutoWire by default.



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#cache_expires_in ⇒ Integer? (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#cache_refresh_jitter ⇒ Integer (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#cache_refreshes_after ⇒ Integer? (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#cool_down ⇒ Integer (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#error_mapper ⇒ Module, #call (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#errors ⇒ Error+ (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#evaluation_window ⇒ Integer (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#exclude ⇒ Error+ (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#notifier ⇒ Events::Notifier (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#rate_threshold ⇒ Float (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#registry ⇒ CircuitRegistry (readonly)

memoization of circuits.



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#sample_threshold ⇒ Integer (readonly) 



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

#storage ⇒ Storage::Interface (readonly)

Storage::Memory.new. Unlike Faulty#initialize, this is not wrapped in Storage::AutoWire by default.



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# File 'lib/faulty/circuit.rb', line 91

Options = Struct.new(
  :cache_expires_in,
  :cache_refreshes_after,
  :cache_refresh_jitter,
  :cool_down,
  :evaluation_window,
  :rate_threshold,
  :sample_threshold,
  :errors,
  :error_mapper,
  :exclude,
  :cache,
  :notifier,
  :storage,
  :registry
) do
  include ImmutableOptions

  # Get the options stored in the storage backend
  #
  # @return [Hash] A hash of stored options
  def for_storage
    {
      cool_down: cool_down,
      evaluation_window: evaluation_window,
      rate_threshold: rate_threshold,
      sample_threshold: sample_threshold
    }
  end

  def defaults
    {
      cache_expires_in: 86_400,
      cache_refreshes_after: 900,
      cool_down: 300,
      errors: [StandardError],
      error_mapper: Faulty,
      exclude: [],
      evaluation_window: 60,
      rate_threshold: 0.5,
      sample_threshold: 3
    }
  end

  def required
    i[
      cache
      cool_down
      errors
      error_mapper
      exclude
      evaluation_window
      rate_threshold
      sample_threshold
      notifier
      storage
    ]
  end

  def finalize
    self.cache ||= Cache::Default.new
    self.notifier ||= Events::Notifier.new
    self.storage ||= Storage::Memory.new
    self.errors = [errors] if errors && !errors.is_a?(Array)
    self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

    unless cache_refreshes_after.nil?
      self.cache_refresh_jitter = 0.2 * cache_refreshes_after
    end
  end
end

Instance Method Details

#defaults ⇒ Object 



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# File 'lib/faulty/circuit.rb', line 121

def defaults
  {
    cache_expires_in: 86_400,
    cache_refreshes_after: 900,
    cool_down: 300,
    errors: [StandardError],
    error_mapper: Faulty,
    exclude: [],
    evaluation_window: 60,
    rate_threshold: 0.5,
    sample_threshold: 3
  }
end

#finalize ⇒ Object 



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# File 'lib/faulty/circuit.rb', line 150

def finalize
  self.cache ||= Cache::Default.new
  self.notifier ||= Events::Notifier.new
  self.storage ||= Storage::Memory.new
  self.errors = [errors] if errors && !errors.is_a?(Array)
  self.exclude = [exclude] if exclude && !exclude.is_a?(Array)

  unless cache_refreshes_after.nil?
    self.cache_refresh_jitter = 0.2 * cache_refreshes_after
  end
end

#for_storage ⇒ Hash

Get the options stored in the storage backend



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# File 'lib/faulty/circuit.rb', line 112

def for_storage
  {
    cool_down: cool_down,
    evaluation_window: evaluation_window,
    rate_threshold: rate_threshold,
    sample_threshold: sample_threshold
  }
end

#required ⇒ Object 



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# File 'lib/faulty/circuit.rb', line 135

def required
  i[
    cache
    cool_down
    errors
    error_mapper
    exclude
    evaluation_window
    rate_threshold
    sample_threshold
    notifier
    storage
  ]
end